Contact: Jia XIng, School of Environment, State Key Joint Laboratory of Environment Simulation and Pollution Control, Tsinghua University, Beijing 100084, China. This dataset is not publicly accessible because: Model simulations were performed at Tsinghua University, China. EPA does not have any data associated with the article. It can be accessed through the following means: Contact: Jia Xing, Tsinghua University, email: xingjia@mail.tsinghua.edu.cn. Format: Model simulations were performed at Tsinghua University, China. EPA does not have any data associated with the article.

This dataset is associated with the following publication: Zhang, S., G. Sarwar, J. Xing, B. Chu, C. Xue, A. Sarav, D. Ding, H. Zheng, Y. Mu, F. Duan, T. Ma, and H. He. Improving the representation of HONO chemistry in CMAQ and examining its impact on haze over China. Atmospheric Chemistry and Physics. Copernicus Publications, Katlenburg-Lindau, GERMANY, 21(20): 15809-15826, (2021).